Electrospray device, method of producing solar cell anti-reflection layer by electrospray, and solar cell

A solar cell, electrospray technology, applied in spray discharge devices, circuits, electrical components, etc., can solve the problems of cumbersome operation, difficult to adapt to automatic production, low experimental temperature, etc., and achieves low process environment requirements, wide range of uses, and degree of automation high effect
CN103586154AActive Publication Date: 2014-02-19HUAZHONG UNIV OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HUAZHONG UNIV OF SCI & TECH
Publication Date
2014-02-19

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Abstract

The invention discloses an electrospray device and a method of producing a solar cell anti-reflection layer by electrospray. According to the principle of electrospray, an anti-reflection layer in an inverted nano-bowl microstructure and in an inverted approximate hemisphere shape is produced on a transparent conductive film; controlling the shape and size of the inverted 'nano-bowl' by adjusting the parameters such as flow speed of spray, diameter of a nozzle, voltage of a high voltage generator, and spacing between the metal nozzle and the transparent conductive layer; controlling density of the nano-bowl by using a PC control unit to adjust X-directional and Y-directional motion speeds of a moving platform. The anti-reflection layer is produced by the electrospray technology, process environmental requirements are low, the whole process is digitally controlled, and process parameters are easy to control. Through the application of the produced anti-reflection layer, surface reflection of the solar cell can be reduced effectively, light permeability is improved, and photoelectric conversion efficiency of the solar cell is effectively improved in a certain wavelength range.
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Description

technical field

[0001] The invention belongs to the field of preparation technology of solar cell anti-reflection layer, and more specifically relates to an electrospray device and a method for preparing solar cell anti-reflection layer by electrospray. Background technique

[0002] Solar energy is renewable, clean and environmentally friendly. Many countries regard solar energy as a new energy industry that focuses on development. In recent years, due to the increasing market demand in European and American countries, my country's photovoltaic industry has achieved rapid development, with an average annual growth rate of more than 40% in the last five years. At the same time, the photovoltaic industry is also facing many challenges, such as low conversion efficiency and high cost. For conventional solar cells, about one-third of the light is wasted due to reflection, which greatly reduces the conversion efficiency of solar cells. Therefore, it is of great significance to t...

Claims

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